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All Journal International Journal of Educational Narratives Sharia Oikonomia Law Journal Journal of World Future Medicine, Health and Nursing Journal of Noesantara Islamic Studies Journal of Moeslim Research Technik Journal of Loomingulisus ja Innovatsioon Journal of Biomedical and Techno Nanomaterials Journal of Social Entrepreneurship and Creative Technology
Tanaka, Kaito
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Religion Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Shariah-Compliant Investment Funds: A Study on Investor Preferences and Portfolio Management in Indonesia Amlia, Nilam; Tanaka, Kaito; Sato, Haruko
Sharia Oikonomia Law Journal Vol. 3 No. 2 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/solj.v3i2.2084

Abstract

Shariah-compliant investment funds have gained significant traction in Indonesia, driven by the growing demand for ethical and religiously aligned financial products. However, limited research exists on investor preferences and portfolio management strategies specific to these funds, particularly in the context of Indonesia’s dynamic Islamic finance market. This study explores the factors influencing investor preferences for Shariah-compliant funds and examines the portfolio management strategies employed by fund managers to align with Shariah principles. The research aims to provide insights into how Shariah-compliant funds can better meet investor expectations while maintaining compliance with Islamic principles. Using a mixed-methods approach, this study combines surveys of individual and institutional investors with interviews of fund managers and Shariah advisors. Data were analyzed to identify key preferences, such as risk tolerance, return expectations, and ethical considerations, as well as the challenges faced by fund managers in balancing Shariah compliance with financial performance. The findings reveal that investors prioritize ethical alignment and transparency, while fund managers emphasize diversification and adherence to Shariah screening criteria. The study concludes that Shariah-compliant funds in Indonesia must adopt innovative portfolio management strategies to attract a broader investor base while ensuring strict compliance with Shariah principles. This research contributes to the growing body of knowledge on Islamic finance by providing practical recommendations for fund managers and policymakers to enhance the competitiveness and appeal of Shariah-compliant investment funds.  
Digital Storytelling and STEM Identity: A Narrative Inquiry of Female High School Students in Japan Tanaka, Kaito; Kobayashi, Riko; Sato, Haruka
International Journal of Educational Narratives Vol. 3 No. 3 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/ijen.v3i3.2208

Abstract

Background. Despite Japan’s global reputation for technological innovation, female representation in science, technology, engineering, and mathematics (STEM) fields remains disproportionately low. Cultural expectations, gender norms, and limited role models contribute to the underrepresentation of young women in STEM pathways. Purpose. This study explores how digital storytelling can serve as a transformative pedagogical tool to support the development of STEM identity among female high school students in Japan. Method. Using a qualitative narrative inquiry approach, the study engaged 15 female students aged 16–18 from three urban high schools. Participants created and reflected on personal digital stories that connected their lived experiences with STEM-related aspirations, interests, or challenges. Results. Data were collected through digital artifacts, in-depth interviews, and reflective journals, then analyzed thematically. Findings reveal that digital storytelling enabled participants to articulate their evolving sense of agency, challenge internalized gender stereotypes, and envision themselves in future STEM careers.  The process fostered increased confidence, self-recognition as potential STEM contributors, and a sense of belonging in scientific discourse. Conclusion. This study demonstrates the potential of narrative-based, multimodal learning tools in reshaping STEM identity formation for underrepresented groups. It contributes to feminist pedagogy and STEM education research through the intersection of narrative, identity, and digital media.  
Tele-Nursing: The Future of Remote Care for Healthcare Efficiency and Accessibility Asbath, Asbath; Tanaka, Kaito; Nakamura, Yui
Journal of World Future Medicine, Health and Nursing Vol. 3 No. 1 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/health.v3i1.1903

Abstract

The growing demand for healthcare services, coupled with the global shortage of healthcare professionals, has led to a need for innovative solutions to improve care efficiency and accessibility. Tele-nursing, a remote healthcare delivery model, has emerged as a promising solution to address these challenges. This study aims to explore the potential of tele-nursing in enhancing healthcare delivery, focusing on its role in improving efficiency and expanding access to care. The research employs a mixed-methods approach, combining qualitative interviews with healthcare professionals and quantitative analysis of patient outcomes from tele-nursing programs. The findings suggest that tele-nursing has the potential to reduce hospital readmissions, increase patient satisfaction, and improve chronic disease management. Furthermore, tele-nursing has proven effective in providing care to underserved populations, particularly in rural and remote areas, where access to healthcare services is limited. The study concludes that tele-nursing can play a pivotal role in shaping the future of healthcare by offering a more efficient and accessible alternative to traditional in-person care. However, challenges such as technology access, training, and regulatory issues must be addressed to ensure the successful integration of tele-nursing into healthcare systems.
The Influence of Local Culture on Customary Practices in Muslim Societies: A Case Study in Central Java Wijaya, Wijaya; Tanaka, Kaito; Nishida, Daiki; Fujita, Miku
Journal of Noesantara Islamic Studies Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jnis.v2i2.1846

Abstract

Local culture significantly influences customary practices within Muslim societies, shaping unique expressions of Islamic teachings across diverse regions. In Central Java, Indonesia, traditional practices are deeply intertwined with Islamic values, creating a distinctive cultural-religious identity. While these practices enrich local traditions, they also raise questions about the balance between cultural preservation and religious orthodoxy. This study aims to explore the influence of local culture on customary practices in Central Java’s Muslim communities, examining how cultural elements align with or diverge from Islamic principles. A qualitative case study approach was employed, involving in-depth interviews with community leaders, religious scholars, and practitioners of traditional customs in three rural areas. Observational data and document analysis of local texts and records supplemented the interviews, offering a comprehensive understanding of the interplay between culture and religion. The findings reveal that local culture plays a pivotal role in shaping religious practices, particularly in rites of passage, social ceremonies, and communal worship. These findings highlight the dynamic relationship between religion and culture, emphasizing adaptation and negotiation. The study concludes that cultural sensitivity and context-specific approaches are essential for understanding and preserving the diversity of Islamic expressions.
Parallel Processing System Optimization in High-Performance Computing for Fluid Simulation Yamamoto, Sota; Tanaka, kaito; Vandika, Arnes Yuli
Journal of Moeslim Research Technik Vol. 1 No. 6 (2024)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/technik.v1i6.1565

Abstract

The growing complexity of fluid simulations in computational science necessitates the use of high-performance computing (HPC) systems. Efficient processing is critical for handling large datasets and complex algorithms, particularly in fields such as aerospace, meteorology, and biomedical engineering. Existing parallel processing methods often face limitations in scalability and resource utilization. This research aims to optimize parallel processing systems for high-performance computing applications in fluid simulations. The study focuses on enhancing computational efficiency and reducing execution time while maintaining accuracy in simulations. A multi-faceted approach was employed, combining algorithmic improvements with architectural enhancements. The research involved implementing advanced parallelization techniques, such as domain decomposition and load balancing, on a cluster of HPC nodes. Performance metrics were collected to evaluate the impact of these optimizations on simulation speed and resource utilization. The optimized system demonstrated a significant reduction in execution time, achieving up to a 60% improvement compared to baseline performance. Enhanced load balancing techniques resulted in more efficient resource distribution, leading to improved overall system performance. Accuracy of the fluid simulations remained consistent with previous results, validating the effectiveness of the optimizations. The study concludes that optimizing parallel processing systems significantly enhances the efficiency of fluid simulations in HPC environments. The findings provide valuable insights for researchers and practitioners seeking to improve computational performance in complex simulations. Future work should explore further optimizations and the integration of emerging technologies to continue advancing the capabilities of fluid simulation in high-performance computing
Developing a Creative Curriculum to Cultivate Elementary School Students’ Interest in Learning Yamamoto, Sota; Tanaka, kaito; Suzuki, Ren
Journal of Loomingulisus ja Innovatsioon Vol. 1 No. 5 (2024)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/innovatsioon.v1i5.1712

Abstract

The interest in learning among elementary school students is a critical factor in shaping their academic success and lifelong learning attitudes. However, traditional teaching methods often fail to engage students, leading to a decline in their enthusiasm for learning. This study aims to develop a creative curriculum designed to cultivate elementary school students’ interest in learning by incorporating interactive and student-centered learning activities. The research employs a mixed-methods approach, combining qualitative data from classroom observations and interviews with teachers and students, along with quantitative data from pre- and post-intervention surveys measuring student engagement and interest in learning. The findings suggest that the implementation of a creative curriculum significantly increased students’ interest in learning across various subjects, with noticeable improvements in student participation, curiosity, and motivation. Teachers also reported higher levels of engagement and enthusiasm during lessons. This study concludes that a creative curriculum can effectively enhance students’ interest in learning by fostering a more dynamic, interactive, and personalized learning environment. The implications of this research highlight the importance of adopting innovative teaching strategies to ensure that students develop a lasting interest in their education.
Identification of Non-Invasive Biomarkers for Early Detection of Ovarian Cancer Takahashi, Haruto; Tanaka, Kaito; Santos, Luis
Journal of Biomedical and Techno Nanomaterials Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jbtn.v2i2.2017

Abstract

Ovarian cancer is one of the most lethal gynecologic malignancies due to late diagnosis. Early detection is critical for improving survival rates, yet current screening methods are inadequate. To identify and validate non-invasive biomarkers for the early detection of ovarian cancer, focusing on improving diagnostic accuracy and patient outcomes. This study utilized proteomic and genomic approaches, including mass spectrometry for protein profiling and next-generation sequencing for analyzing cfDNA and miRNAs. Blood samples from patients with early-stage ovarian cancer, healthy controls, and individuals with benign conditions were analyzed. The combination of CA-125 and HE4 biomarkers significantly increased sensitivity (85%) and specificity (90%) for early detection of ovarian cancer compared to CA-125 alone. Proteomic analysis identified significant differences in protein profiles between cancer patients and healthy controls. Genomic analysis revealed specific mutations in cfDNA associated with ovarian cancer. The study demonstrates that a combination of CA-125 and HE4, along with multi-omic approaches, can enhance the early detection of ovarian cancer, providing a basis for the development of more accurate diagnostic tests. Further clinical trials are necessary to validate these findings.
The Influence of Company Culture on Startup Financial Performance Wijaya, Indra; Tanaka, Kaito; Herdi, Herdi
Journal of Social Entrepreneurship and Creative Technology Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jseact.v2i2.2058

Abstract

The culture within a company is increasingly recognized as a critical factor influencing its overall performance, particularly in startups where innovation, adaptability, and employee engagement are crucial to success. While numerous studies have explored the relationship between company culture and organizational outcomes, limited research has focused specifically on the financial performance of startups. This research aims to examine the influence of company culture on the financial performance of startups, identifying key cultural elements that drive profitability, growth, and long-term sustainability. A mixed-methods approach was employed, combining quantitative data from financial performance metrics of 50 startups with qualitative insights gathered through interviews with founders and key employees. The findings suggest a strong correlation between positive company culture—characterized by open communication, employee empowerment, and a collaborative environment—and higher financial performance. Startups with a culture of innovation and continuous learning tend to achieve greater revenue growth and profitability, while those with hierarchical and rigid cultures face challenges in scaling. The study concludes that fostering a supportive, flexible, and innovative company culture is essential for startup success, particularly in fast-paced and competitive industries. This research contributes to a deeper understanding of the intangible factors that drive financial outcomes in startups, offering valuable insights for entrepreneurs seeking to enhance both organizational culture and financial performance.
Co-Authors Amlia, Nilam Arnes Yuli Vandika Asbath, Asbath Fujita, Miku Herdi Herdi Kobayashi, Riko Nakamura, Yui Nishida, Daiki Santos, Luis Sato, Haruka Sato, Haruko Suzuki, Ren Takahashi, Haruto WIJAYA WIJAYA, WIJAYA Wijaya, Indra Yamamoto, Sota